... +28 dB, +2 dB step/total 12 stpes)AE controlAuto, Manual, Priority mode (shutter priority & irispriority),Bright, EV compensation, Slow ... AEFocusing systemAuto (Sensitivity: normal, low), One-push AF,Manual, InfinityInterval AF, Zoom Trigger AF, Focus compensationin ICR onEV compensation ... without any compression processing, the image is clear and realistic 8160 digital colposcope